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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Dissimilar organisms with similar approaches to desert living. Dissimilar organisms with similar approaches to desert living.
Some organisms used as models in genetic research Some organisms used as models in genetic research
Types of pathogenic organisms: (a) bacterium, (b) virus, (c) protozoan pathogens, (d) multicellular ... Types of pathogenic organisms: (a) bacterium, (b) virus, (c) protozoan pathogens, (d) multicellular ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
The nucleus is bounded by a double membrane called the nuclear envelope The nucleus is bounded by a double membrane called the nuclear envelope
Genetically Modified Goat Genetically Modified Goat
Video: Introduction to Herpes

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